# What does CE21 use? CE21 (ce21.com) shows public evidence of 29 tools, according to runsonwhat (last checked 2026-11-07). - Industry: E-learning - Size: 11–50 employees - Based in: Austin, United States - Founded: 2014 - LinkedIn: https://www.linkedin.com/company/ce21 ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [GoDaddy](https://www.runsonwhat.com/reverse/godaddy) | DNS | DNS records, Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code | | | [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | Custom domain | | | [Microsoft Azure](https://www.runsonwhat.com/reverse/azure) | Hosting & Cloud | Custom domain | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code | | | [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code | | | [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [Umami](https://www.runsonwhat.com/reverse/umami) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code | | | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records | | | [All in One SEO](https://www.runsonwhat.com/reverse/aioseo) | Website & CMS | Website code | | | [Trustindex](https://www.runsonwhat.com/reverse/trustindex) | Marketing | Website code | | | [LiveIntent](https://www.runsonwhat.com/reverse/liveintent) | Ads & Pixels | Website code | | | [RB2B](https://www.runsonwhat.com/reverse/rb2b) | Sales & CRM | Website code | | | [Factors.ai](https://www.runsonwhat.com/reverse/factors) | Sales & CRM | Website code | | | [Warmly](https://www.runsonwhat.com/reverse/warmly) | Sales & CRM | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code | | | [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records | | ## FAQ ### What tools does CE21 use? As of November 2026, runsonwhat has found 29 tools at CE21 (ce21.com) in public records. Edge & Hosting: GoDaddy, Amazon Web Services and Google Cloud. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, Google Workspace and reCAPTCHA. Last checked November 7, 2026. ### What cloud does CE21 run on? CE21 uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud and Microsoft Azure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on ce21.com. Amazon Web Services is used by 147,629 companies runsonwhat tracks. ### What sales tools does CE21 use? The sales tools runsonwhat has found at CE21 are RB2B, Factors.ai and Warmly (November 2026); no CRM shows up in CE21's public records. runsonwhat found RB2B through RB2B code on ce21.com. ### What email provider does CE21 use? CE21 uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 736,658 companies runsonwhat tracks. ### What analytics tools does CE21 use? CE21 uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Umami, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on ce21.com. Google Analytics is used by 904,020 companies runsonwhat tracks. ### What is CE21's website built with? CE21 uses WordPress for its website, alongside All in One SEO, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on ce21.com. WordPress is used by 606,889 companies runsonwhat tracks. ### Does CE21 use jQuery? Yes. runsonwhat found jQuery at CE21 through jQuery code on ce21.com. jQuery is a Frontend tool used by 927,255 companies runsonwhat tracks. ### Which companies have a tech stack similar to CE21's? The companies with the stacks most like CE21's are Pto Exchange, Sourceco, Atmosera and Blue Waters General Trading L.L.C Dubai, according to runsonwhat (November 2026). Each shares 12 to 15 tools with CE21, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what CE21 uses? runsonwhat reads public records only. Of the 29 tools at CE21, 19 were found through code on ce21.com, 4 through DNS records, 3 through email records, 2 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and ce21.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/ce21.com (updated November 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.